diff options
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-fc | 27 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-ufs | 2 |
2 files changed, 28 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-fc b/Documentation/ABI/testing/sysfs-class-fc new file mode 100644 index 000000000000..3057a6d3b8cf --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-fc @@ -0,0 +1,27 @@ +What: /sys/class/fc/fc_udev_device/appid_store +Date: Aug 2021 +Contact: Muneendra Kumar <muneendra.kumar@broadconm.com> +Description: + This interface allows an admin to set an FC application + identifier in the blkcg associated with a cgroup id. The + identifier is typically a UUID that is associated with + an application or logical entity such as a virtual + machine or container group. The application or logical + entity utilizes a block device via the cgroup id. + FC adapter drivers may query the identifier and tag FC + traffic based on the identifier. FC host and FC fabric + entities can utilize the application id and FC traffic + tag to identify traffic sources. + + The interface expects a string "<cgroupid>:<appid>" where: + <cgroupid> is inode of the cgroup in hexadecimal + <appid> is user provided string upto 128 characters + in length. + + If an appid_store is done for a cgroup id that already + has an appid set, the new value will override the + previous value. + + If an admin wants to remove an FC application identifier + from a cgroup, an appid_store should be done with the + following string: "<cgroupid>:" diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs index 863cc4897277..a44ef8bfbadf 100644 --- a/Documentation/ABI/testing/sysfs-driver-ufs +++ b/Documentation/ABI/testing/sysfs-driver-ufs @@ -983,7 +983,7 @@ Description: This file shows the amount of data that the host plans to What: /sys/class/scsi_device/*/device/dyn_cap_needed Date: February 2018 Contact: Stanislav Nijnikov <stanislav.nijnikov@wdc.com> -Description: This file shows the The amount of physical memory needed +Description: This file shows the amount of physical memory needed to be removed from the physical memory resources pool of the particular logical unit. The full information about the attribute could be found at UFS specifications 2.1. |